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NAME

su - run a shell with substitute user and group IDs

SYNOPSIS

su [OPTION]... [-] [USER [ARG]...]

DESCRIPTION

Change the effective user id and group id to that of USER.

-, -l, --login: make the shell a login shell
-g --group=group: specify the primary group
-G --supp-group=group: specify a supplemental group
-c, --commmand=COMMAND: pass a single COMMAND to the shell with -c
--session-command=COMMAND: pass a single COMMAND to the shell with -c and do not create a new session
-f, --fast: pass -f to the shell (for csh or tcsh)
-m, --preserve-environment: do not reset environment variables
-p: same as -m
-s, --shell=SHELL: run SHELL if /etc/shells allows it
--help: display this help and exit
--version: output version information and exit

A mere - implies -l. If USER not given, assume root.

AUTHOR

Written by David MacKenzie.

REPORTING BUGS

Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT